Multiple choice

Radioactivity is measured in

  1. becquerel (Bq)

  2. gray (Gy)

  3. sievert (Sv)

  4. roentgen
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A Correct answer
Explanation

The becquerel is a unit used to measure a radioactivity. One becquerel is that quantity of a radioactive material that will have 1 transformations in one second. Often radioactivity is expressed in larger units like: thousands (kBq), one millions (MBq) or even billions (GBq) of a becquerels. As a result of having one becquerel being equal to one transformation per second, there are 3.7 x 1010 Bq in one curie.

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